Interesting it is that i have few mkv's with DTS audio and they played normaly. Here is MediaInfo output from mkv that is played perfectly via usb from the same external drive as the previous file that is not played at all.

if the DTS audio stream is the second audio stream (and the first one is DD), then it should work. But if DTS is the first audio stream, it shouldn't... Does you posted mediainfo contain another audio stream?

Hehehe, really? I'm wondering the whole weekend how some mkv's are played and some not, but there you go. One thing that caught my eye is Reference frames. Maybe that's the key? Besides that DTS is played even it shouldn't...

Or MediaInfo is not good at streams recognition. Also tried on other .m2ts file, with 4 audio streams. First three audio streams are DTS and fourth one is AC-3, and this file is also played well. Here is MI output for .m2ts file:

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